In pictures: 65 years of Prince Charles

The investiture of the Prince of Wales, in which a 20-year-old Prince Charles receives the insignia as the 21st Prince of Wales from the Queen, takes place on July 1, 1969, at Caernarfon Castle in Wales. Some 4,000 guests gathered inside the medieval walls to watch the ceremony. Thousands more stood in the dry moat and outside the castle and millions around the world watched on television.